Ill. Admin. Code tit. 35, § 725.297 - Closure and Post-Closure Care
a)
At closure of a tank system, the owner or operator must remove or decontaminate
all waste residues, contaminated containment system components (liners, etc.),
contaminated soils and structures and equipment contaminated with waste, and
manage them as hazardous waste, unless 35 Ill. Adm. Code
721.103(d)
applies. The closure plan, closure activities, cost estimates for closure, and
financial responsibility for tank systems must meet all of the requirements
specified in Subparts G and H.
b)
If the owner or operator demonstrates that not all contaminated soils can be
practicably removed or decontaminated as required in subsection (a), then the
owner or operator must close the tank system and perform post-closure care in
accordance with the closure and post-closure care requirements that apply to
landfills (Section
725.410
). In addition, for the purposes of closure, post-closure and financial
responsibility, such a tank system is then considered to be a landfill, and the
owner or operator must meet all of the requirements of landfills specified in
Subparts G and H.
c) If an owner or
operator has a tank system that does not have secondary containment that meets
the requirements of Section
725.293(b)
through (f), and which is not exempt from the
secondary containment requirements in accordance with Section
725.293(g),
then the following requirements apply:
1) The
closure plan for the tank system must include both a plan for complying with
subsection (a), and a contingent plan for complying with subsection
(b);
2) A contingent post-closure
plan for complying with subsection (b) must be prepared and submitted as part
of the permit application;
3) The
cost estimates calculated for closure and post-closure care must reflect the
costs of complying with the contingent closure plan and the contingent
post-closure plan, if these costs are greater than the costs of complying with
the closure plan prepared for the expected closure under subsection
(a);
4) Financial assurance must be
based on the cost estimates in subsection (c)(3); and
5) For the purposes of the contingent closure
and post-closure plans, such a tank system is considered to be a landfill, and
the contingent plans must meet all of the closure, post-closure care, and
financial responsibility requirements for landfills under Subparts G and
H.
Notes
Amended at 29 Ill. Reg. 6389, effective April 22, 2005
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